(function($) {
	$.fn.jqueryzoom = function(options) {
		var settings = {
			xzoom: 200,
			yzoom: 200,
			offset: 10,
			position: "right",
			lens: 1,
			preload: 1
		};
		if (options) $.extend(settings, options);
		var noalt = '';
		$(this).hover(function() {
			var imageLeft = $(this).offset().left;
			var imageTop = $(this).offset().top;
			var imageWidth = $(this).children('img').get(0).offsetWidth;
			var imageHeight = $(this).children('img').get(0).offsetHeight;
			var noalt = $(this).children("img").attr("alt");
			var bigimage = $(this).children("img").attr("jqimg");
			$(this).children("img").attr("alt", '');
			$(this).children("img").attr("title", '');
			if ($("div.zoomdiv").get().length == 0) {
				$(this).after("<div class='zoomdiv_bg'></div>");
				$(this).after("<div class='zoomdiv'><img class='bigimg' src='" + bigimage + "'/></div>");
				$(this).append("<div class='jqZoomPup'>&nbsp;</div>");
			}
			if (settings.position == "right") {
				if (imageLeft + imageWidth + settings.offset + settings.xzoom > screen.width) {
					leftpos = imageLeft - settings.offset - settings.xzoom;
				} else leftpos = imageLeft + imageWidth + settings.offset;
			} else {
				leftpos = imageLeft - settings.xzoom - settings.offset;
				if (leftpos < 0) leftpos = imageLeft + imageWidth + settings.offset;
			}
			$("div.zoomdiv,.zoomdiv_bg").css({	top: imageTop,left: leftpos	});
			$("div.zoomdiv,.zoomdiv_bg").width(settings.xzoom);
			$("div.zoomdiv,.zoomdiv_bg").height(settings.yzoom);
			$("div.zoomdiv,.zoomdiv_bg").show();
			if (!settings.lens) $(this).css('cursor', 'crosshair');
				var bigwidth = $(".bigimg").get(0).offsetWidth;
				var bigheight = $(".bigimg").get(0).offsetHeight;
				var scaley = 'x';
				var scalex = 'y';
				if (isNaN(scalex) | isNaN(scaley)) {
					var scalex = (800 / imageWidth);
					var scaley = (800 / imageHeight);
					$("div.jqZoomPup").width((settings.xzoom) / scalex);
				    $("div.jqZoomPup").height((settings.yzoom) / scaley);
					//if (settings.lens) 
					$("div.jqZoomPup").css('visibility', 'visible');
				}
			$(document.body).mousemove(function(e) {								
				mouse = new MouseEvent(e);	
				
				xpos = mouse.x - $("div.jqZoomPup").width() / 2 - imageLeft;
				ypos = mouse.y - $("div.jqZoomPup").height() / 2 - imageTop;
				if (settings.lens) {
					xpos =(mouse.x-$("div.jqZoomPup").width()/2<imageLeft)?0:(mouse.x+$("div.jqZoomPup").width()/2>imageWidth+imageLeft)?(imageWidth-$("div.jqZoomPup").width()-2):xpos;
					ypos =(mouse.y-$("div.jqZoomPup").height()/2<imageTop)?0:(mouse.y+$("div.jqZoomPup").height()/2>imageHeight+imageTop)?(imageHeight-$("div.jqZoomPup").height()-2):ypos;
				}
				//if (settings.lens) 
				$("div.jqZoomPup").css({top: ypos,left: xpos});
				scrolly = ypos;
				$("div.zoomdiv").get(0).scrollTop = scrolly * scaley;
				scrollx = xpos;
				$("div.zoomdiv").get(0).scrollLeft = (scrollx) * scalex;
			});
			
		},
		function() {
			$(this).children("img").attr("alt", noalt);
			$(document.body).unbind("mousemove");
			if (settings.lens) $("div.jqZoomPup").remove();
			$("div.zoomdiv_bg").remove();
			$("div.zoomdiv").remove()
		});
		
		count = 0;
		if (settings.preload) {
			$('body').append("<div style='display:none;' class='jqPreload" + count + "'></div>");
			$(this).each(function() {
				var imagetopreload = $(this).children("img").attr("jqimg");
				var content = jQuery('div.jqPreload' + count + '').html();
				jQuery('div.jqPreload' + count + '').html(content + '<img src=\"' + imagetopreload + '\">');
			})
		}
	}
})(jQuery)
 function MouseEvent(e) {
	this.x = e.pageX;
	this.y = e.pageY;
}